Chill for mold-boards



(Model.)

J. P. ZELLER.

Chill fqr' Mold Boards.

No. 235327. Patented Dec. 7,1880.

N PErERs, PHOTO-LITHOGRAPHER. wASHmGTcN. n C.

UNTTnn STATES PATENT OFFICE..

JOHN I). ZELLER, OF ROOK ISLAND, ILLINOIS.

CHILL FOR MOLD-BOARDS.

SPECIFICATION forming part of Letters Patent No. 235,327, dated December 7, 1880.

Application filed July 21, 1880. (Model.)

" and it has for its objects to provide means whereby a single chill may be employed in connection with any number of molds in rapid succession for casting and chilling4 mold-boards, whereby the labor, time, and expense attendant upon the methods of casting and chilling4 as heretofore practiced are greatly reduced. These objects I attain by the apparatus illustrated in the accompanying drawings, in which- Figure l represents a side elevation of my improvement 5 Fig. 2, a longitudinal sectional view, and Figs. 3 and 4 detachedviews of portions of the apparatus and the tongs by which it is manipulated.

The letter A indicates my improved chill, which consists of a hollow metallicbox, the upper surface or side of which has a configuration correspon din g to theface ofthe mold-board to be chilled. The said upper side or face of the chill, at its'edges, is provided with a flange, B, which is cut away at C, for the purpose hereinafter more fully explained. The said box or chill is provided with trunnions D at each end, which, in the present instance, are formed by the horizontal extensions at the extremities of a bent metal support, E, to which the box or chill is secured at its bottom by means of bolts F, or in any other convenient manner. The said trunnions have bearin gs in the standards G of a suitable frame, E, and are so located that when in a normal position the box or chill will hang with its chillin g-face up. The box or chill, on oppositesides, is'provided with induction and eduction tubes I 1, by means of which a current of Water may be passed through the lbox or chill, the tubes being connected to flexible hose to introduce and carry oli' the water, and at the same time permit the box or chill to be turned freely on its trunnions.

The letter K indicates a iiask, the lower edge of which conforms in conguration to the face ot' the flange at the edge of the chill, so that the two will it together closely. The ask is provided with a detachable top, L, and at each end with pins M, which are adapted to set in apertures N at each end of the chill, in the liange thereof, to register the ask and chill in proper position with respect to each other when placed together for molding.

The lower edge ot' the flange of the chill is cut away or formed with a slot, as indicated by the letter C, so as to leave an opening into the interior of the mold at the lower part,where by a tool or pattern of suitable shape may be inserted in order to form a recess or pocket, R, in the sand in the halttlask K, to connect the gate or inlet-passage S with the space formed by the mold-board pattern. The letter I? represents a removable plate, by which the opening is closed after the pocket is formed. This plate is secured by any ordinary fastening devices, such as screws, clamps, or the like.

The letter S indicates a pair of tongs, formed with parallel jaws T, for grasping the flask and chill and holding the same together, and serving, also, as a means for manipulating the apparatus during the operation of casting and chilling.

The operation of my invention is as follows: The upper face of the chill forms one moldingsurface for themoldboardto be castandchilled. The other molding-surface is formed in sand in the liask by placing the liask upon the chill to which the pattern has been properly secured and manipulating in the ordinary manner of forming the upper half of a mold as practiced in casting metal. Any number of flasks can in this manner be prepared for subsequent use. In casting the chill and ask are clamped together by means of the tongs, and the two are swung into a vertical position, or in such position that the filling-conduit will be uppermost. The metal is then poured in and passes down through the passage in the sand to the pocket below, through which it enters the mold and rises upward until the mold is completely lled. Water is in the meantime admitted through IOO A chill for chilling moldbozirds for plows, consisting of a, hollow metallic box having n matrix for forming and chilling' the foce ofthe mold-board, in combination with n tiask in l which the meti-ix of the rear ofthe mold-board is formed, the said chill being provided with a tlange around the edge of its face fitting the tinsk, which flange is provided with a slot or zo opening, whereby a pocket may be formed for connecting the gate with the space formed by the pattern, and a detachable plate for closing the opening, substantially as specified.

In testimony that I claim the foregoing I z5 have hereunto set; my hand this 19th day of Jnne, 1880.

JOHN P. ZELLER.

Witnesses:

J. J. MCCARTHY, Loews I). DIMICK. 

